// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.10-2-1
description: >
    Object.preventExtensions - repeated calls to preventExtensions
    have no side effects
---*/

function Test() {
    var obj = {};
    var testResult1 = true;
    var testResult2 = true;

    var preCheck = Object.isExtensible(obj);

    Object.preventExtensions(obj);
    testResult1 = Object.isExtensible(obj);
    Object.preventExtensions(obj);
    testResult2 = Object.isExtensible(obj);

    assert(preCheck, 'preCheck !== true');
    assert.sameValue(testResult1, false, 'testResult1');
    assert.sameValue(testResult2, false, 'testResult2');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
